Yusuf ibn al-Qasim

Yusuf ibn al-Qasim (990-1066) was the son of al-Qasim ibn Ad-Da'i.

Biography
Yusuf ibn al-Qasim was born in 990, the son of al-Qasim ibn Ad-Da'i, to a Shi'ite Muslim Bedouin family. He was the father of Djafar ibn Yusuf.